/*
 * Copyright 2011 myTDev.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mytdev.commons.util;

import java.math.BigDecimal;
import java.math.BigInteger;

/**
 *
 * @author Yann D'Isanto
 */
public final class Util {

    private Util() {
    }

    public static String normalize(String value) {
        return normalize(value, StringConstants.EMPTY);
    }

    public static BigDecimal normalize(BigDecimal value) {
        return normalize(value, NumberConstants.BD_0);
    }

    public static BigInteger normalize(BigInteger value) {
        return normalize(value, NumberConstants.BI_0);
    }

    public static <T> T normalize(T t, T valueIfNull) {
        return t == null ? valueIfNull : t;
    }

    public static <T> T notNull(T t) {
        if (t == null) {
            throw new NullPointerException();
        }
        return t;
    }

    public static boolean checkIndexBounds(int index, int min, int max) {
        if (index > max || index < min) {
            throw new IndexOutOfBoundsException("Index: " + index + ", Min: " + min + ", Max: " + max);
        }
        return true;
    }
}
